Go with special sifo systems ost to pst software and get proper & genuine help to save data from damage .
Yes i am talking about corruption of ms outlook .You can use this software tool to recover and convert ost file to pst file format .
After ost file recovery your file become healthy that you can open with outlook and can also access all folders like as inbox,calendar ,notes,contacts,task,etc .
It work with all version of outlook ost files like as ost 2016,ost 2013,ost 2010,ost 2007,etc .
Go for free download of software ,click here :-
Sifo systems ost to pst software
Ask more query to data recovery experts :-
support@sifosystems.com